Centrifugal creamer



(No Model.)

vH. F. BOND.

GENTRIPUGAL GRBAMBR.

Patented Oct. 16, 1883.

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HENRY F. BOND, OF TEST NEVTON, llIASSACHUSETTS.

CENTRIFUGAL CREAMER.

SPECIFICATION forming part of Letters Patent No. 286,769, dated` October 16, 1833.

Application filed Api-ibi, 1583. (Nomodel.) n Y To all whoml it 77mg concern..-

Be it known that l, HENRY E. BOND, a citi-` zen of the United States, residing at West Newton, in the county of Middlesex and State of Massachusetts, have invented a new and useful Improvement in `Centrifugal Creamers, of which the following is a specification.

My invention relates to an improvement in those machines which are designed to separate by centrifugal force the constituents of milk, or of other liquids the constituents of which vary in specific gravity.

Various devices have been resorted to for the purpose of discharging the cream and skim-milk separately or into separate vessels, and so preventing the remiXture ofthe ingredients when the liquid is allowed to remain in the'machine and to come to a level when the machine is stopped. The devices for discharging the cream are somewhat expensive, and theviolence with which the cream is discharged is thought to affect its consistency` and to injure its quality. i By my invention the cream and the skim-milk` are `retained in separate compartments, and may be drawn off separately after stopping the machine. l attain this object by the mechanism illustrated in the accompanying drawing, in which- A represents a circular drum which is dcsigned to revolve on the spindle d. a represents a portion of drum A, separated from the rest by the concentric partition-wall w, which outside.

' rlhese may be closed tightly,when desired, by

cocks, valves, faucets, or, as in the by screw-caps.

C is a pulley.

B is a cylindrical guard made of boiler-iron, wood, or other material.

drawing,

in the operation over the wall w, and iirst filling the outer compartment of the drum. The

rotary motion must then be continued five or 'ten minutes, or as long as is necessary,witll the speed employed, to effectcomplete separation, the skim-milk in the inner compartment iiowing over the wall w into the outer compartment, and the cream in the outer compartment being crowded back over the wall w into the inner compartment. Then by throwing off the belt, or by shipping onto a loose pulley, or by releasing a clutch, or by some similar action, the drum should be allowed to stop gradully to avoid all swashing over the wall w, when the cream will come to a level at or about the horizontal dotted line and in the inner compartment, and the skim-milk will be in the outer compartment and be prevented from mixing with the cream by the high partition-wall lw. rlhe skim-milk can -thenbe drawn off at f and the cream at f.

The conical form of the outside of the wall w is to allow the cream to freely flow up the wall, and so prevent its adhesion to it. The cream ,from this machine is of superior quality in every respect.

I do not claim the use of a drum revolving on a perpendicular axis 4for centrifugal operations.

VVhatl do claim as my invention, and desire to secured by Letters Patent, is-

1. In a centrifugal creaming-machine, the' said wall extending nearly to the top of the,

drum, substantially as described.

HENRY FREDERIC BOND.

itnesses v EDWARD S. AMRocK, THoMAs A. LAsKE. 

